/// <summary>
/// Sign message with the private key
/// </summary>
/// <param name="input">input arguments</param>
/// <returns>signed message string</returns>
public override Task <string> SignMessage(byte[] input)
{
//CPU-bound
var signer = new Nethereum.Signer.EthereumMessageSigner();
var ecKey = new Nethereum.Signer.EthECKey(DecodeLocalKey(), true);
return(Task.FromResult(signer.Sign(input, ecKey)));
}
public static SignedCertificate CreateCertificate(string userAddress, string testCentreId, string privateKey, string photoUserId)
{
var ethEcKey = new Nethereum.Signer.EthECKey(privateKey);
var signer = new Nethereum.Signer.EthereumMessageSigner();
var signerAddress = ethEcKey.GetPublicAddress();
var signature = signer.EncodeUTF8AndSign(SignedCertificate.GetRawCertificate(userAddress, signerAddress, testCentreId, photoUserId), ethEcKey);
return(new SignedCertificate(userAddress, signerAddress, testCentreId, photoUserId, signature));
}
/*
* deposit
* van
* crouch
* super
* viable
* electric
* bamboo
* nephew
* hold
* whip
* nation
* ankle
* wonder
* bottom
* win
* bomb
* dog
* search
* globe
* shrug
* primary
* spy
* limb
* knock
*/
public static async Task TestMessageSigning()
{
using (var trezorManager = await TrezorFactory.GetWindowsConnectedLedgerManagerAsync(GetPin))
{
await trezorManager.InitializeAsync();
var signer = new TrezorExternalSigner(trezorManager, 0);
var address = await signer.GetAddressAsync();
var messageSignature = await signer.SignAsync(Encoding.UTF8.GetBytes("Hello"));
var nethereumMessageSigner = new Nethereum.Signer.EthereumMessageSigner();
var nethereumMessageSignature = nethereumMessageSigner.EncodeUTF8AndSign("Hello", new EthECKey(
"0x2e14c29aaecd1b7c681154d41f50c4bb8b6e4299a431960ed9e860e39cae6d29"));
System.Console.WriteLine("Trezor: " + EthECDSASignature.CreateStringSignature(messageSignature));
System.Console.WriteLine("Nethereum: " + nethereumMessageSignature);
}
}
